Security readout for executives and security teams
Plain-English summary
CVE-2026-28104 is a medium-severity broken access control issue in the WordPress Site Suggest plugin through version 1.3.9. An unauthenticated remote attacker may access plugin functionality that should be restricted, causing limited integrity and availability impact. No source provided evidence of active exploitation.
Executive priority
Treat as a routine but timely WordPress plugin remediation item. Prioritize internet-facing sites and environments where unauthorized plugin actions could disrupt content or operations. No active exploitation evidence was provided, so this does not currently warrant emergency response based on available sources.
Technical view
The issue is CWE-862 Missing Authorization in Aryan Shirani Bid Abadi Site Suggest, package name site-suggest. CVSS 3.1 is 6.5: network exploitable, low complexity, no privileges, no user interaction, unchanged scope, no confidentiality impact, low integrity and availability impact.
Likely exposure
Exposure is limited to WordPress sites with the Site Suggest plugin installed at version 1.3.9 or earlier. Internet-facing WordPress sites are more likely to be reachable, but the public sources do not describe specific vulnerable endpoints or business workflows.
Exploitation context
The CVE record indicates unauthenticated network access is possible, but provided sources do not include exploit details or confirm in-the-wild exploitation. The vulnerability is not listed as KEV in the supplied data.
Researcher notes
Public details are sparse. The record identifies missing authorization and a CVSS vector but does not specify endpoints, fixed versions, or exploit availability. Avoid assuming impact beyond low integrity and low availability unless vendor details expand the advisory.
Mitigation direction
- Inventory WordPress sites for the Site Suggest plugin and version.
- Update Site Suggest if vendor or WordPress guidance provides a fixed release.
- If no fix is available, disable or remove the plugin if business impact is acceptable.
- Monitor the Patchstack entry and CVE record for updated remediation guidance.
Validation and detection
- Confirm whether Site Suggest is installed and whether version is 1.3.9 or earlier.
- Review web and WordPress logs for unexpected access to Site Suggest functionality.
- After remediation, verify unauthenticated users cannot access restricted plugin functions.
- Document affected sites, remediation status, and any compensating controls.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-28104 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L3.92.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.